C40 is a global network of mayors of the world’s leading cities that are united in action to confront the climate crisis.

Milan New Orleans Portland Beijing Hong Kong Phoenix Bangkok Seattle Bogotá Dhaka (North & South) Berlin Accra Quito Freetown Paris Guangzhou Barcelona Kuala Lumpur Oslo Fortaleza Amsterdam Yokohama Dubai Montréal Dar es Salaam Boston Tshwane Dakar Washington, DC Seoul Rotterdam Houston Jakarta Milan New Orleans Portland Beijing Hong Kong Phoenix Bangkok Seattle Bogotá Dhaka (North & South) Berlin Accra Quito Freetown Paris Guangzhou Barcelona Kuala Lumpur Oslo Fortaleza Amsterdam Yokohama Dubai Montréal Dar es Salaam Boston Tshwane Dakar Washington, DC Seoul Rotterdam Houston Jakarta

Mexico City Mumbai Karachi London Durban (eThekwini) Tel Aviv – Yafo Casablanca Istanbul Hanoi Lisbon Warsaw Los Angeles Ahmedabad Melbourne Lima Heidelberg Miami Shanghai Quezon City Wuhan Copenhagen Shenzhen Nanjing Chennai Johannesburg Hangzhou Ho Chi Minh City Vancouver Ekurhuleni Cape Town Madrid Chicago Nairobi Mexico City Mumbai Karachi London Durban (eThekwini) Tel Aviv – Yafo Casablanca Istanbul Hanoi Lisbon Warsaw Los Angeles Ahmedabad Melbourne Lima Heidelberg Miami Shanghai Quezon City Wuhan Copenhagen Shenzhen Nanjing Chennai Johannesburg Hangzhou Ho Chi Minh City Vancouver Ekurhuleni Cape Town Madrid Chicago Nairobi

Medellín Addis Ababa Rio de Janeiro Philadelphia Bengaluru Buenos Aires Auckland Delhi NCT Fuzhou Zhenjiang Dalian São Paulo Abidjan San Francisco Rome Lagos Sydney Toronto Tokyo Curitiba Chengdu Guadalajara Stockholm New York City Athens Austin Salvador Qingdao Santiago Singapore Amman Medellín Addis Ababa Rio de Janeiro Philadelphia Bengaluru Buenos Aires Auckland Delhi NCT Fuzhou Zhenjiang Dalian São Paulo Abidjan San Francisco Rome Lagos Sydney Toronto Tokyo Curitiba Chengdu Guadalajara Stockholm New York City Athens Austin Salvador Qingdao Santiago Singapore Amman